20804948905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{17293}}^1$

素因数の和:17617

約数の個数: 32

約数和(自身を含む): 27333927936

約数和(自身を除く): 6528979031

約数列:

[1, 5, 13, 65, 83, 223, 415, 1079, 1115, 2899, 5395, 14495, 17293, 18509, 86465, 92545, 224809, 240617, 1124045, 1203085, 1435319, 3856339, 7176595, 18659147, 19281695, 50132407, 93295735, 250662035, 320076137, 1600380685, 4160989781, 20804948905]

約数ペア:

[(1, 20804948905), (5, 4160989781), (13, 1600380685), (65, 320076137), (83, 250662035), (223, 93295735), (415, 50132407), (1079, 19281695), (1115, 18659147), (2899, 7176595), (5395, 3856339), (14495, 1435319), (17293, 1203085), (18509, 1124045), (86465, 240617), (92545, 224809)]